Terminal Voltage Of Ic/Tr - Alpine MRA-D550 Service Manual

Terminal Voltage of IC/TR

Ref.No. Pin No. Voltage
1 4.82
2 GND
IC1201
3 4.82
4 GND
1 4.83
2 GND
IC1202
3 4.83
4 GND
1 GND
2 3.25
3 2.49
4
5 2.66
6 3.25
7 3.25
8 3.25
9 3.25
10 3.25
11 3.25
12 3.25
13 GND
14 GND
15 GND
16 GND
17 GND
18
19 3.25
20
IC1301-1
21
22 GND
23 GND
24 3.23
25 3.23
26 3.29
27 3.23
28 3.23
29 GND
30 GND
31 GND
32 GND
33
34 GND
35 3.23
36 3.23
37 3.23
38 3.23
39 2.47
40 GND
41
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Note
PWM
PWM
3.6 PWM
1
1.8
1.7
3.3 pulse
3.3 pulse
Ref.No. Pin No. Voltage
42 3.3
43 3.3
44 3.27
45 3.26
46 3.26
47 GND
48 3.26
49 3.23
50 GND
51 GND
52 3.23
53 3.23
54 3.23
55 3.29
56 GND
57 GND
58 GND
59 GND
60 GND
61 GND
62 GND
63 GND
64 GND
65 2.49
IC1301-2
66 GND
67 GND
68 GND
69 GND
70 GND
71 GND
72 GND
73 GND
74 GND
75 3.29
76 GND
77 GND
78 GND
79 GND
80 GND
81 GND
82 GND
83 GND
84 GND
85 3.23
86 3.23
87 3.23
88 GND
89 3.29
90 3.26
MRA-D550
Note
pulse
pulse
pulse
pulse
pulse
pulse
pulse